Add share pin

tests/components/Lobby.test.tsx

@@ -0,0 +1,229 @@
+import React from 'react';
+import { render, screen, waitFor } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { Lobby } from '../../components/Lobby';
+
+vi.mock('react-hot-toast', () => ({
+  default: {
+    success: vi.fn(),
+    error: vi.fn(),
+  },
+}));
+
+vi.mock('framer-motion', () => ({
+  motion: {
+    div: ({ children, ...props }: React.PropsWithChildren<Record<string, unknown>>) => <div {...props}>{children}</div>,
+  },
+  AnimatePresence: ({ children }: React.PropsWithChildren) => <>{children}</>,
+}));
+
+describe('Lobby', () => {
+  const defaultProps = {
+    quizTitle: 'Test Quiz',
+    players: [],
+    gamePin: 'ABC123',
+    role: 'HOST' as const,
+    onStart: vi.fn(),
+    onEndGame: vi.fn(),
+  };
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+    Object.defineProperty(window, 'location', {
+      value: { origin: 'http://localhost:5173' },
+      writable: true,
+    });
+  });
+
+  describe('copy join link', () => {
+    it('shows copy link button for host', () => {
+      render(<Lobby {...defaultProps} />);
+      
+      expect(screen.getByTitle('Copy join link')).toBeInTheDocument();
+    });
+
+    it('does not show copy link button for client', () => {
+      render(<Lobby {...defaultProps} role="CLIENT" />);
+      
+      expect(screen.queryByTitle('Copy join link')).not.toBeInTheDocument();
+    });
+
+    it('copies join URL to clipboard when clicked', async () => {
+      const user = userEvent.setup();
+      render(<Lobby {...defaultProps} />);
+      
+      const copyButton = screen.getByTitle('Copy join link');
+      expect(copyButton.querySelector('.lucide-link')).toBeInTheDocument();
+      
+      await user.click(copyButton);
+      
+      await waitFor(() => {
+        expect(copyButton.querySelector('.lucide-check')).toBeInTheDocument();
+      });
+    });
+
+    it('shows success toast when link is copied', async () => {
+      const toast = await import('react-hot-toast');
+      const user = userEvent.setup();
+      render(<Lobby {...defaultProps} />);
+      
+      await user.click(screen.getByTitle('Copy join link'));
+      
+      await waitFor(() => {
+        expect(toast.default.success).toHaveBeenCalledWith('Join link copied!');
+      });
+    });
+
+    it('shows checkmark after copying link', async () => {
+      const user = userEvent.setup();
+      render(<Lobby {...defaultProps} gamePin="XYZ789" />);
+      
+      const copyButton = screen.getByTitle('Copy join link');
+      
+      await user.click(copyButton);
+      
+      await waitFor(() => {
+        expect(copyButton.querySelector('.lucide-check')).toBeInTheDocument();
+      });
+    });
+  });
+
+  describe('display', () => {
+    it('displays game PIN', () => {
+      render(<Lobby {...defaultProps} />);
+      
+      expect(screen.getByText('ABC123')).toBeInTheDocument();
+    });
+
+    it('displays quiz title on larger screens', () => {
+      render(<Lobby {...defaultProps} />);
+      
+      expect(screen.getByText('Test Quiz')).toBeInTheDocument();
+    });
+
+    it('displays player count', () => {
+      const players = [
+        { id: '1', name: 'Player 1', score: 0, avatarSeed: 0.1 },
+        { id: '2', name: 'Player 2', score: 0, avatarSeed: 0.2 },
+      ];
+      render(<Lobby {...defaultProps} players={players} />);
+      
+      expect(screen.getByText('2')).toBeInTheDocument();
+    });
+
+    it('shows waiting message when no players have joined', () => {
+      render(<Lobby {...defaultProps} />);
+      
+      expect(screen.getByText('Waiting for players to join...')).toBeInTheDocument();
+    });
+
+    it('displays player names when players join', () => {
+      const players = [
+        { id: '1', name: 'Alice', score: 0, avatarSeed: 0.1 },
+        { id: '2', name: 'Bob', score: 0, avatarSeed: 0.2 },
+      ];
+      render(<Lobby {...defaultProps} players={players} />);
+      
+      expect(screen.getByText('Alice')).toBeInTheDocument();
+      expect(screen.getByText('Bob')).toBeInTheDocument();
+    });
+  });
+
+  describe('host controls', () => {
+    it('shows Start button for host', () => {
+      render(<Lobby {...defaultProps} />);
+      
+      expect(screen.getByRole('button', { name: 'Start' })).toBeInTheDocument();
+    });
+
+    it('disables Start button when no players', () => {
+      render(<Lobby {...defaultProps} />);
+      
+      expect(screen.getByRole('button', { name: 'Start' })).toBeDisabled();
+    });
+
+    it('enables Start button when players joined', () => {
+      const players = [{ id: '1', name: 'Player 1', score: 0, avatarSeed: 0.1 }];
+      render(<Lobby {...defaultProps} players={players} />);
+      
+      expect(screen.getByRole('button', { name: 'Start' })).not.toBeDisabled();
+    });
+
+    it('calls onStart when Start clicked', async () => {
+      const user = userEvent.setup();
+      const players = [{ id: '1', name: 'Player 1', score: 0, avatarSeed: 0.1 }];
+      render(<Lobby {...defaultProps} players={players} />);
+      
+      await user.click(screen.getByRole('button', { name: 'Start' }));
+      
+      expect(defaultProps.onStart).toHaveBeenCalled();
+    });
+
+    it('shows End Game button when onEndGame provided', () => {
+      render(<Lobby {...defaultProps} />);
+      
+      expect(screen.getByText('End Game')).toBeInTheDocument();
+    });
+
+    it('calls onEndGame when End Game clicked', async () => {
+      const user = userEvent.setup();
+      render(<Lobby {...defaultProps} />);
+      
+      await user.click(screen.getByText('End Game'));
+      
+      expect(defaultProps.onEndGame).toHaveBeenCalled();
+    });
+  });
+
+  describe('client view', () => {
+    it('shows waiting message for client', () => {
+      render(<Lobby {...defaultProps} role="CLIENT" />);
+      
+      expect(screen.getByText('Waiting for the host to start...')).toBeInTheDocument();
+    });
+
+    it('shows player name when currentPlayerId matches', () => {
+      const players = [
+        { id: 'player-1', name: 'My Name', score: 0, avatarSeed: 0.5 },
+      ];
+      render(
+        <Lobby 
+          {...defaultProps} 
+          role="CLIENT" 
+          players={players}
+          currentPlayerId="player-1"
+        />
+      );
+      
+      expect(screen.getByText('My Name')).toBeInTheDocument();
+    });
+
+    it('does not show Start button for client', () => {
+      render(<Lobby {...defaultProps} role="CLIENT" />);
+      
+      expect(screen.queryByRole('button', { name: 'Start' })).not.toBeInTheDocument();
+    });
+  });
+
+  describe('host participates mode', () => {
+    it('shows host in player list when hostParticipates is true', () => {
+      const players = [
+        { id: 'host', name: 'Host Player', score: 0, avatarSeed: 0.99 },
+      ];
+      render(<Lobby {...defaultProps} players={players} hostParticipates={true} />);
+      
+      expect(screen.getByText('Host Player')).toBeInTheDocument();
+      expect(screen.getByText('HOST')).toBeInTheDocument();
+    });
+
+    it('does not show waiting message when host participates and no other players', () => {
+      const players = [
+        { id: 'host', name: 'Host Player', score: 0, avatarSeed: 0.99 },
+      ];
+      render(<Lobby {...defaultProps} players={players} hostParticipates={true} />);
+      
+      expect(screen.queryByText('Waiting for players to join...')).not.toBeInTheDocument();
+    });
+  });
+});